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Finding the Fourth Proportional to 328,802.58, 453,698.90 and 199,673.90

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Solution

The fourth proportional to 328,802.58, 453,698.90 and 199,673.90 is: 275,520.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,802.58 : 453,698.90 = 199,673.90 : x
  2. Step 2: Convert to fraction form
    328,802.58/453,698.90 = 199,673.90/x
  3. Step 3: Cross multiply
    328,802.58x = 453,698.90 × 199,673.90
  4. Step 4: Simplify right side
    328,802.58x = 90,591,828,788.71
  5. Step 5: Solve for x
    x = 90,591,828,788.71/328,802.58
  6. Step 6: Final answer
    x = 275,520.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.